hello david, capt. john r. duvall died intestate.in 1833 in clark co.ky. his estate papers are on file there listing 12 children and his wife frances. i beleavei picked up the D.there. william was born about 1802 in ky. acording to the 1850. randolph co. mo. u.s.censuc. as i said yesterday information is being passed around that capt. john r.duvall is out of the daniel duval line of virginia. i douth this. as i said he was the adm. of the estate of william duvall 1818 clark co ky. they would almost have to be kin.william is out of the mareen duvall line of maryland, for now ,with regards, joe duvall.